21000655197

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{1439}}^1\times {\mathrm{34501}}^1$

素因数の和:35993

約数の個数: 24

約数和(自身を含む): 31002117120

約数和(自身を除く): 10001461923

約数列:

[1, 3, 9, 47, 141, 423, 1439, 4317, 12951, 34501, 67633, 103503, 202899, 310509, 608697, 1621547, 4864641, 14593923, 49646939, 148940817, 446822451, 2333406133, 7000218399, 21000655197]

約数ペア:

[(1, 21000655197), (3, 7000218399), (9, 2333406133), (47, 446822451), (141, 148940817), (423, 49646939), (1439, 14593923), (4317, 4864641), (12951, 1621547), (34501, 608697), (67633, 310509), (103503, 202899)]